201195980 has 24 divisors (see below), whose sum is σ = 424853520. Its totient is φ = 80032320.

The previous prime is 201195961. The next prime is 201195989. The reversal of 201195980 is 89591102.

It is a self number, because there is not a number n which added to its sum of digits gives 201195980.

It is not an unprimeable number, because it can be changed into a prime (201195989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24170 + ... + 31409.

It is an arithmetic number, because the mean of its divisors is an integer number (17702230).

Almost surely, 2^201195980 is an apocalyptic number.

201195980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201195980 is an abundant number, since it is smaller than the sum of its proper divisors (223657540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201195980 is a wasteful number, since it uses less digits than its factorization.

201195980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55769 (or 55767 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 201195980 is about 14184.3568765031. The cubic root of 201195980 is about 585.9669206750.

The spelling of 201195980 in words is "two hundred one million, one hundred ninety-five thousand, nine hundred eighty".